#!/usr/bin/env bash
set -euo pipefail
cd $(dirname "$0")/..

if [ "$#" == 1 ]; then
  BOOK_DIR="$1"
else
  echo "usage: $0 path-to-book-directory"
  exit 1
fi

echo "const bookLibrary = ["

for METADATA in $(find "$BOOK_DIR" -name 'metadata.toml'); do
  DIR=$(dirname "$METADATA")
  COVER=$(ls $DIR/cover.*)

  TOML=$(cat "$METADATA")
  WITH_COVER=$(echo -e "$TOML\ncover = \"$COVER\"")
  echo "$WITH_COVER" | toml2json
  echo ","
done

echo "]"